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C/C++——С±à̸CÓïÑÔº¯ÊýÄÇЩÊÂ(9)

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1.     harderrº¯Êý
harderrº¯ÊýµÄ¹¦ÄÜÊǽ¨Á¢Ò»¸öÓ²¼þ´íÎó´¦Àí³ÌÐò£¬ÆäÓ÷¨ÊÇ£ºvoid harderr(int (*fptr)());³ÌÐòÀý×ÓÈçÏ£º
#include <stdio.h>
#include <conio.h>
#include <dos.h>
#define IGNORE  0
#define RETRY   1
#define ABORT   2
int buf[500];
static char *err_msg[] = {
    "write protect",
    "unknown unit",
    "drive not ready",
    "unknown command",
    "data error (CRC)",
    "bad request",
    "seek error",
    "unknown media type",
    "sector not found",
    "printer out of paper",
    "write fault",
    "read fault",
    "general failure",
    "reserved",
    "reserved",
    "invalid disk change"
};
error_win(char *msg)
{
   int retval;
   cputs(msg);
   while(1)
   {
       retval= getch();
       if (retval == 'a' || retval == 'A')
       {
    retval = ABORT;
    break;
       }
       if (retval == 'r' || retval == 'R')
       {
    retval = RETRY;
    break;
       }
       if (retval == 'i' || retval == 'I')
       {
           retval = IGNORE;
           break;
       }
   }


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C/C++ÖеÄÈÕÆÚºÍʱ¼ä time_tÓëstruct tmת»»

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±¾ÎÄ´Ó½éÉÜ»ù´¡¸ÅÄîÈëÊÖ£¬Ì½ÌÖÁËÔÚC/C++ÖжÔÈÕÆÚºÍʱ¼ä²Ù×÷ËùÓõ½µÄÊý¾Ý½á¹¹ºÍº¯Êý£¬²¢¶Ô¼ÆÊ±¡¢Ê±¼äµÄ»ñÈ¡¡¢Ê±¼äµÄ¼ÆËãºÍÏÔʾ¸ñʽµÈ·½Ãæ½øÐÐÁ˲ûÊö¡£±¾ÎÄ»¹Í¨¹ý´óÁ¿µÄʵÀýÏòÄãչʾÁËtime.hÍ·ÎļþÖÐÉùÃ÷µÄ¸÷ÖÖº¯ÊýºÍÊý¾Ý½á¹¹µÄÏêϸʹÓ÷½·¨¡£
¹Ø¼ü×Ö£ºUTC£¨ÊÀ½ç±ê׼ʱ¼ä£©£¬Calendar Time£¨ÈÕÀúʱ¼ä£©£¬epoch ......

Á´±íµÄ»ù±¾²Ù×÷(cʵÏÖ£©

  
Á´±í¶¨Òå¼°²Ù×÷µÄÔ´Îļþ£ºemployee.h
//
#pragma once
#ifndef __EMPLOYEE_H__
#define __EMPLOYEE_H__
#include<stdio.h>
#include<malloc.h>
typedef struct employee{
int id;
int age;
int salary;
}EmpType;
typedef struct Node{
EmpType data;
struct Node *next;
}L ......

GNU C library ±Ê¼Ç£¨2£©

ÄÚÈÝ£ºMemory
1. ¼¸¸ö»ù±¾¸ÅÄpage¡¢frame¡¢paging¡¢segment¡£
½ø³Ì·ÖÅäÄÚ´æµÄÁ½ÖÖģʽ£¬Ò»¸öʹÓà exec ϵÁк¯Êý£¬Ò»¸öʹÓà programmatically£¨malloc µÈº¯Êý£©¡£
ÖØÒªµÄ segment ÓÐ text segment£¨´æ·Å´úÂëµÈµÈ£¬Ò»°ãÔÚ½ø³ÌµÄÉúÃüÖÜÆÚÖв»±ä£©¡¢data segment
£¨´æ·ÅÊý¾Ý£¬ÄÜÓÃһЩº¯ÊýÀ´µ÷Õû´óС£¬²»¹ýµÍλ¶ËλÖò»± ......

extern "C"Ïê½â

 Ê±³£ÔÚcppµÄ´úÂëÖ®Öп´µ½ÕâÑùµÄ´úÂë: 
#ifdef __cplusplus 
extern "C" { 
#endif 
//Ò»¶Î´úÂë 
#ifdef __cplusplus 

#endif 
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C/C++——С±à̸CÓïÑÔº¯ÊýÄÇЩÊÂ(6)

C³ÌÐòÊÇÓÉÒ»×é»òÊDZäÁ¿»òÊǺ¯ÊýµÄÍⲿ¶ÔÏó×é³ÉµÄ¡£ º¯ÊýÊÇÒ»¸ö×ÔÎÒ°üº¬µÄÍê³ÉÒ»¶¨Ïà¹Ø¹¦ÄܵÄÖ´ÐдúÂë¶Î¡£ÏÂÃæÐ¡±àºÍ´ó¼Ò·ÖÏíÏÂCÓïÑÔÖеĺ¯Êý¡£
1.       fcloseº¯Êý
fcloseº¯ÊýµÄ¹¦ÄÜÊǹرÕÒ»¸öÁ÷£¬ÆäÓ÷¨ÊÇ£ºint fclose(FILE *stream); ³ÌÐòÀý×ÓÈçÏ£º
#include <string.h& ......
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